CN116413981A - Angle adjusting device, fixing device and projection system - Google Patents
Angle adjusting device, fixing device and projection system Download PDFInfo
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- CN116413981A CN116413981A CN202111657740.9A CN202111657740A CN116413981A CN 116413981 A CN116413981 A CN 116413981A CN 202111657740 A CN202111657740 A CN 202111657740A CN 116413981 A CN116413981 A CN 116413981A
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- 238000010586 diagram Methods 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
Abstract
The application discloses angle adjusting device, fixing device and projecting system, this angle adjusting device includes: a horizontal adjustment plate; a horizontal adjustment member; a pitching adjusting frame; a pitch adjustment; the pitching adjusting frame is connected with the piece to be adjusted through a pivot, and the pitching adjusting piece is eccentrically abutted against/fixed on the piece to be adjusted and horizontally moves relative to the pitching adjusting frame to adjust the pitch angle of the piece to be adjusted relative to the pitching adjusting frame; the horizontal adjusting plate is rotatably connected with the pitching adjusting frame, and the horizontal adjusting piece is eccentrically abutted against/fixed on the pitching adjusting frame and horizontally moves relative to the horizontal adjusting plate to adjust the horizontal deflection angles of the pitching adjusting frame and the piece to be adjusted. The utility model provides a through providing an angle adjusting device, can adjust the rotation angle of waiting to adjust the piece at the rotation angle of pitch direction and horizontal direction.
Description
Technical Field
The present disclosure relates to manufacturing technology, and in particular, to an angle adjusting device, a fixing device, and a projection system.
Background
Currently, in the light source module of digital light processing (Digital Light Procession, DLP) technology projection systems, some members to be adjusted play an important role in generating different stimulated emission light beams in different color regions. The accuracy of the position of the piece to be adjusted is critical to the projection performance, and particularly under the condition of small optical expansion, if the piece to be adjusted deflects and is inclined, focus offset can be caused, light spots become large, and side lobes are easy to form after compound eyes are emergent.
In general, errors in the processing and production processes may cause deviations in the optical path of the optical system, which affect the performance of the optical system and the quality of the projected image of the projector.
Disclosure of Invention
A first aspect of embodiments of the present application provides an angle adjustment device, including: a horizontal adjustment plate; a horizontal adjustment member; a pitching adjusting frame; a pitch adjustment; the pitching adjusting frame is connected with the piece to be adjusted through a pivot, and the pitching adjusting piece is eccentrically abutted against/fixed on the piece to be adjusted and horizontally moves relative to the pitching adjusting frame to adjust the pitch angle of the piece to be adjusted relative to the pitching adjusting frame; the horizontal adjusting plate is rotatably connected with the pitching adjusting frame, and the horizontal adjusting piece is eccentrically abutted against/fixed on the pitching adjusting frame and horizontally moves relative to the horizontal adjusting plate to adjust the horizontal deflection angles of the pitching adjusting frame and the piece to be adjusted.
A second aspect of embodiments of the present application also provides a securing device comprising an angle adjustment device as in the first aspect, and a nut that cooperates with the stud to prevent further rotation of the pitch adjustment frame relative to the horizontal adjustment plate.
A third aspect of embodiments of the present application also provides a projection system comprising an angle adjustment device as in the first aspect.
A fourth aspect of embodiments of the present application also provides another projection system comprising a fixture as in the second aspect.
The beneficial effects of this application are: according to the angle adjusting device, the pitching adjusting piece is eccentrically abutted/fixed on the piece to be adjusted, and the pitch angle of the piece to be adjusted relative to the pitching adjusting frame is adjusted through horizontal movement back and forth; the horizontal adjusting piece is eccentrically abutted/fixed on the pitching adjusting frame, and the horizontal deflection angles of the pitching adjusting frame and the piece to be adjusted are adjusted through horizontal movement relative to the horizontal adjusting plate, so that the rotation angle of the piece to be adjusted in the pitching direction and the rotation angle of the piece to be adjusted in the horizontal direction can be adjusted, and errors generated in the production process are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an optical structure in which a side lobe is formed by light passing through a compound eye when a piece to be adjusted is inclined;
FIG. 2 is a schematic view of an exploded view of an embodiment of the angle adjustment apparatus of the present application;
FIG. 3 is a schematic view of an assembled structure of an embodiment of the angle adjusting apparatus of the present application;
FIG. 4 is a schematic view of an assembled structure of the member to be adjusted according to the present application;
FIG. 5 is a schematic view of an exploded view of an embodiment of an adjustment direction of an article to be adjusted according to the present application;
FIG. 6 is a schematic view of the structure of the pitch control frame of the present application;
FIG. 7 is a schematic view of the structure of the horizontal adjustment plate of the present application;
FIG. 8 is a schematic view of an exploded view of an embodiment of the present application in which a member to be adjusted is disposed on a pitch adjustment frame;
FIG. 9 is a schematic diagram of an embodiment of a projection system of the present application;
fig. 10 is a schematic structural view of another embodiment of the projection system of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
Referring to fig. 1, fig. 1 is a schematic optical structure diagram of a side lobe formed by light passing through a compound eye when a piece to be adjusted is tilted, and as can be seen from fig. 1, an actual optical system includes a piece to be adjusted 100 or 101, a light spot 102, a lens 103, two compound eyes 104 and a side lobe 105, wherein a light solid line in the drawing indicates a theoretical position of the piece to be adjusted 100, a light dotted line indicates the piece to be adjusted 101 is tilted, the piece to be adjusted 101 often needs to be adjusted to a specific pitch angle and a specific left and right angle to enable the light spot 102 to exit along the solid line in the drawing, if the angle does not cause the light spot 102 to be enlarged, a reflected light direction is inconsistent with a target direction, such as a dotted line in the drawing, the side lobe 105 is easy to form after the compound eye 104 exits, and thus focus offset, such as light main axis deviation is caused; or a loss of light, for example, having an optical element in the direction of interest for collecting the outgoing light, the directional deflection of the light may also result in a portion of the light not being collected.
Therefore, before leaving the factory, the angle of the piece to be adjusted needs to be adjusted, a plurality of adjusting pieces are arranged on the piece to be adjusted generally, on one hand, an adjusting space can be reserved for the angle of the piece to be adjusted, the adjustment is convenient, on the other hand, the possibility of adjusting the angle can be provided for the piece to be adjusted, and the angle of the piece to be adjusted is adjusted and unfolded.
In order to explain the technical solution of the present application, the following description is made by way of specific embodiments, and referring to fig. 2, fig. 2 is an exploded structural schematic diagram of an embodiment of an angle adjusting device of the present application, where the angle adjusting device includes: a horizontal adjustment plate 200, a horizontal adjustment member 201, a pitch adjustment frame 202, a pitch adjustment member 203, and a member 204 to be adjusted. Wherein the horizontal adjusting member 201 is disposed on the horizontal adjusting plate 200, and the pitch adjusting member 203 and the member to be adjusted 204 are disposed on the pitch adjusting frame 202.
The pitch adjusting frame 202 is pivotally connected to the member 204 to be adjusted, and the pitch adjusting member 203 is eccentrically supported/fixed on the member 204 to be adjusted, and adjusts the pitch angle of the member 204 to be adjusted relative to the pitch adjusting frame 202202 by horizontally moving relative to the pitch adjusting frame 202.
Specifically, the pitch adjusting member 203 may be eccentrically abutted against the member 204 to be adjusted, where eccentric abutment means that the pitch adjusting member 203 is offset from the center position of the member 204 to be adjusted to perform abutment connection; alternatively, the pitch adjustment member 203 may be fixed to the member 204 to be adjusted such that the pitch adjustment member 203 is fixedly connected to the member 204 to be adjusted.
The horizontal adjusting plate 200 is rotatably connected to the pitching adjusting frame 202, and the horizontal adjusting member 201 is eccentrically abutted/fixed to the pitching adjusting frame 202, and adjusts the horizontal deflection angles of the pitching adjusting frame 202 and the member 204 to be adjusted by horizontally moving with respect to the horizontal adjusting plate 200.
Specifically, the horizontal adjusting member 201 is eccentrically abutted against the pitch adjusting frame 202, and the eccentric abutment refers to that the horizontal adjusting member 201 deviates from the middle position of the pitch adjusting frame 202 to perform abutment connection; alternatively, the leveling member 201 is fixed to the pitch adjustment frame 202 such that the leveling member 201 is fixedly connected to the pitch adjustment frame 202.
Therefore, the pitch angle of the member 204 to be adjusted relative to the pitch adjusting frame 202 is adjusted by horizontal movement back and forth by providing an angle adjusting device, which is eccentrically abutted/fixed to the member 204 to be adjusted by the pitch adjusting member 203; the horizontal adjusting member 201 is eccentrically supported/fixed to the pitch adjusting frame 202, and the horizontal deflection angles of the pitch adjusting frame 202 and the member 204 to be adjusted are adjusted by horizontally moving relative to the horizontal adjusting plate 200, so that the rotation angle of the member 204 to be adjusted in the pitch direction and the rotation angle in the horizontal direction can be adjusted, and the horizontal adjustment and the pitch adjustment do not interfere with each other, thereby improving errors generated in the production process.
Further, the first plane in which the leveling member 201 is located and the second plane in which the pitch member 203 is located are parallel to each other.
Specifically, the pitching adjusting member 203 moves back and forth through the pitching adjusting frame 202, and a hole limit a may be provided on the pitching adjusting frame 202, so that the pitching adjusting member 203 can move back and forth, that is, the pitching adjusting member 203 moves parallel to the horizontal plane, and this movement is performed by using the pitching adjusting frame 202 as a reference object, so as to realize the rotation of the member 204 to be adjusted in the pitching direction.
In addition, the horizontal adjusting member 201 moves back and forth through the horizontal adjusting plate 200, and because a hole limit B may be provided on the horizontal adjusting plate 200, the horizontal adjusting member 201 can move back and forth, that is, the horizontal adjusting member 201 moves parallel to the horizontal plane, and this movement is performed by using the horizontal adjusting plate 200 as a reference, so as to implement the rotation of the member 204 to be adjusted in the horizontal direction, so as to implement the rotation of the adjusting member in the pitch direction.
Thus, such arrangement in the directions of the horizontal adjustment member 201 and the pitch adjustment member 203 can save space for assembly. Specifically, the horizontal adjustment member 201 and the pitch adjustment member 203 are moved only in the horizontal direction to achieve three-dimensional adjustment of the member 204 to be adjusted, and the horizontal adjustment member 201 and the pitch adjustment member 203 are not moved in the pitch direction, saving space at least in the thickness direction.
Still further, the angle adjusting device further includes a rotation shaft 205, the pitch adjusting bracket 202 has a first side wall 206 and a second side wall 207 disposed opposite to each other, the first side wall 206 and the second side wall 207 are respectively provided with a side wall hole 208 or 209, the member 204 to be adjusted is provided with a member hole 2041 to be adjusted, and the rotation shaft 205 passes through the member hole 2041 to be adjusted and the side wall hole 208 or 209. Wherein the sidewall aperture 208 or 209 includes a first sidewall aperture 208 and a second sidewall aperture 209.
Specifically, referring to fig. 3, fig. 3 is a schematic diagram illustrating an assembled structure of an embodiment of an angle adjusting device according to the present application, a piece 204 to be adjusted is fixedly connected to a rotating shaft 205 through a piece hole 2041 to be adjusted, the piece 204 to be adjusted is fixed to a pitch adjusting frame 202 through the rotating shaft 205 passing through a first sidewall hole 208 and a second sidewall hole 209, and a limiting hole C is provided on the pitch adjusting frame 202, so that when the horizontal adjusting piece 201 is eccentrically supported/fixed to the pitch adjusting frame 202, the horizontal adjusting piece 201 and the pitch adjusting frame 202 can be connected through the limiting hole C, and the pitch adjusting frame 202 is disposed above the horizontal adjusting plate 200, so that the horizontal adjustment and the pitch adjustment of the piece to be adjusted can be independently and simultaneously combined for adjustment.
Further, the rotating shaft 205 is in interference fit with the hole 2041 of the member to be adjusted, so that the rotating shaft 205 and the member to be adjusted 204 do not rotate relatively; for example, a rubber sleeve may be disposed on the outer wall of the rotation shaft 205, so that the rotation shaft 205 is in interference fit with the hole 2041 of the member to be adjusted, and on the other hand, an interference fit member may be disposed on the inner wall of the hole 2041 of the member to be adjusted, so that the rotation shaft 205 is in interference fit with the hole 2041 of the member to be adjusted, and materials or devices adopted in specific interference fit are selected according to actual requirements, which are not limited herein. Alternatively, the rotating shaft 205 and the hole 2041 of the member to be adjusted are not provided with any intermediate member, and only by setting the diameter of the rotating shaft 205 and the aperture of the hole 2041 of the member to be adjusted, that is, the interference fit of the rotating shaft 205 and the hole 2041 to be adjusted is achieved.
In addition, a space is left between the rotation shaft 205 and the side wall hole 208 or 209, so that the rotation shaft 205 and the pitch adjusting bracket 202 can rotate relatively. Specifically, when the rotation shaft 205 is fitted to the pitch adjustment frame 202 through the side wall hole 208 or 209, the surplus space thereof may allow the rotation shaft 205 to perform a pitching movement with respect to the pitch adjustment frame 202.
Further, referring to fig. 4, fig. 4 is a schematic diagram illustrating an assembly structure of the to-be-adjusted component 204 according to the present application, the to-be-adjusted component 204 includes a base plate 2042, a motor 2043 and a to-be-adjusted component 2044, an abutting groove 2045 is disposed on the base plate 2042, and the pitch adjusting component 203 is eccentrically abutted/fixed to the abutting groove 2045.
The member 2033 to be adjusted may be a color wheel and a diffusion wheel, the color wheel plays an important role of generating different excited light beams in different color areas, and the diffusion wheel may be used for diffusing incident light. When the motor 2043 rotates the color wheel, different color expressions are presented through time sequence control. The member to be adjusted 2044 and the motor 2043 constitute a member to be adjusted assembly, which is fixed on the base plate 2042.
Two circular hole grooves (not shown) are formed in the base plate 2042, a connecting screw (not shown) is further arranged, a pre-tightening spring (not shown) is arranged on the upper periphery of the connecting screw, specifically, the motor 2043 can be fixed on the base plate 2042 through the two circular hole grooves, and the connecting screw is connected with a component to be adjusted through the pre-tightening spring, so that adjustment is continuous and stable. When the rotation shaft 205 passes through the circular hole groove, the member 2044 to be adjusted can perform pitch adjustment up and down around the rotation shaft 205 as the pitch adjustment member 203 moves forward and backward through the pitch adjustment frame 202.
Further, referring to fig. 5 and 6, fig. 5 is a schematic exploded view of an embodiment of an adjusting direction of an adjusting member to be adjusted in the present application, and fig. 6 is a schematic view of a pitch adjusting frame in the present application, where a pitch adjusting frame 202 has a first opening a, and a pitch adjusting member 203 passes through the first opening a and extends to abut against an adjusting member 204 to be adjusted.
Further, the pitch adjustment member 203 has a first elastic member 2031, such as an adjustment screw, for rotating the pitch adjustment member 203 relative to the pitch adjustment frame when there is a pitch external force.
Further, referring to fig. 7, fig. 7 is a schematic structural diagram of a horizontal adjusting plate of the present application, the horizontal adjusting plate 200 has a second opening B, and the horizontal adjusting member 201 penetrates the second opening B and extends to abut against another abutting groove C of the pitch adjusting frame 202.
Still further, the horizontal adjustment member 201 has a second elastic member 2012, such as an adjustment screw, for horizontally rotating the horizontal adjustment member 201 with respect to the pitch adjustment depression when there is a horizontal external force.
Further, the pitch adjusting bracket 202 is further provided with a screw hole 2021, and the horizontal adjusting plate 200 is further provided with a stud 2001, and the stud 2001 is inserted into the screw hole 2021 to horizontally rotate the pitch adjusting bracket 202 around the stud 2001 with respect to the horizontal adjusting plate 200.
Therefore, the application provides an angle adjusting device with adjustable upper and lower and left and right angles, which can set up the rotation centers of two directions along with the use requirement, so that the upper, lower, left and right angle adjustment is mutually independent, adjustment coupling can not be generated, and the adjustment efficiency is improved. And the structure is simple, the cost is lower, the adjustment is convenient, the optical design diversity is improved by synchronously applying the optical design diversity to the scattering wheels with similar structures.
Referring to fig. 8, fig. 8 is a schematic diagram illustrating an exploded structure of an embodiment of the present invention in which a piece to be adjusted is disposed on a pitch adjusting frame, the fixing device includes the angle adjusting device and a nut 2023, as shown in fig. 5, where the nut 2023 cooperates with a stud 2001 to prevent the pitch adjusting frame 202 from further rotating relative to the horizontal adjusting plate 200.
Still further, the pitch adjustment frame 202 is further provided with a clearance hole 2022, and the horizontal adjustment plate 200 includes a clearance fixing post 2002 and a fixing fitting, and the clearance fixing post 2002 and the fixing fitting are engaged to prevent the pitch adjustment frame 202 from further rotating relative to the horizontal adjustment plate 200.
Specifically, the clearance hole 2022 may be an arc-shaped groove, as shown in fig. 6, and the stud 2001 may be a clinch stud for locking the nut; the press-riveting stud is fixed on the horizontal adjusting plate 200 and penetrates through the arc-shaped groove of the pitching adjusting frame 202, so that a controllable rotation angle or a rotation adjusting space can be provided for horizontal adjustment of relative rotation between the horizontal adjusting plate 200 and the pitching adjusting frame 202.
Further, since the avoidance fixing posts 2002 and the fixing fittings can fix the pitch adjustment brackets 202 at different angles, it is possible to provide more convenient operation for achieving the fixation of the angle range between the adjustment level adjustment plate 200 and the pitch adjustment brackets 202 at multiple angles.
In addition, the number of the clearance holes 2022 may be two for better fixation. After the adjustment is completed, the locking nut is used for locking, so that the stability after pitching adjustment is ensured. The clearance hole 2022 is used to provide space for the stud and nut to lock. If the clearance hole 2022 is not provided, the left-right movement of the pitch adjustment bracket 202 cannot be fixed at a predetermined rotation angle.
Still further, the securing device further includes a retaining member 210; such as a locking screw, may be used to axially fix the rotational shaft 205. Wherein, locking matching pieces 211 are respectively arranged at two ends of the rotating shaft 205 extending out of the two side wall holes 208 or 209; the lock 210 and lock engagement 211 cooperate to prevent further rotation of the member 204 to be adjusted relative to the pitch adjustment frame 202.
In order to illustrate the technical solution of the present application, the following description is made by way of specific embodiments, and referring to fig. 9, fig. 9 is a schematic structural diagram of an embodiment of the projection system of the present application, which includes the angle adjusting device as described above, and is not repeated herein.
In order to illustrate the technical solution of the present application, another projection system is further provided by the following description of the specific embodiment, refer to fig. 10, and fig. 10 is a schematic structural diagram of another embodiment of the projection system of the present application, including the fixing device described above, which is not repeated herein.
The foregoing description is only a partial embodiment of the present application, and is not intended to limit the scope of the present application, and all equivalent devices or equivalent process transformations made by using the descriptions and the drawings of the present application, or direct or indirect application to other related technical fields, are included in the patent protection scope of the present application.
Claims (15)
1. An angle adjustment device, characterized in that the angle adjustment device comprises:
a horizontal adjustment plate;
a horizontal adjustment member;
a pitching adjusting frame;
a pitch adjustment;
the pitching adjusting frame is connected with a piece to be adjusted in a pivot way, and the pitching adjusting piece is eccentrically abutted against/fixed on the piece to be adjusted and horizontally moves relative to the pitching adjusting frame to adjust the pitch angle of the piece to be adjusted relative to the pitching adjusting frame;
the horizontal adjusting plate is rotatably connected with the pitching adjusting frame, and the horizontal adjusting piece is eccentrically abutted/fixed on the pitching adjusting frame and horizontally moves relative to the horizontal adjusting plate to adjust the horizontal deflection angles of the pitching adjusting frame and the piece to be adjusted.
2. The angle adjusting device according to claim 1, wherein a first plane in which the horizontal adjusting member is located and a second plane in which the pitch adjusting member is located are parallel to each other.
3. The angle adjusting device according to claim 1, further comprising a rotation shaft, the pitch adjusting frame having a first side wall and a second side wall disposed opposite to each other, the first side wall and the second side wall being provided with side wall holes, respectively, the member to be adjusted being provided with a member hole to be adjusted, the rotation shaft passing through the member hole to be adjusted and the side wall holes.
4. The angle adjusting device according to claim 3, wherein the rotating shaft is in interference fit with the hole of the member to be adjusted, so that the rotating shaft and the member to be adjusted do not rotate relatively; and a surplus space is formed between the rotating shaft and the side wall hole, so that the rotating shaft and the pitching adjusting frame can rotate relatively.
5. The angle adjusting device according to claim 1, wherein the member to be adjusted comprises a base plate, a motor and a color wheel, wherein an abutting groove is formed in the base plate, and the pitching adjusting member is eccentrically abutted/fixed to the abutting groove.
6. The angle adjustment device of claim 1, the pitch adjustment frame having a first aperture, the pitch adjustment member passing through the first aperture and extending against the member to be adjusted.
7. The angle adjustment device of claim 6, the pitch adjustment member having a first resilient member that causes the pitch adjustment member to tilt relative to the pitch adjustment frame in the presence of a pitch external force.
8. The angle adjusting device according to claim 1, wherein the horizontal adjusting plate has a second opening, and the horizontal adjusting member is inserted through the second opening and extends to abut against the other abutting groove of the pitch adjusting frame.
9. The angle adjusting device according to claim 8, the level adjusting member having a second elastic member for horizontally rotating the level adjusting member with respect to the pitch adjustment depression when there is a horizontal external force.
10. The angle adjusting device according to claim 1, the pitch adjusting frame further having a screw hole, the horizontal adjusting plate further being provided with a stud, the stud being inserted into the screw hole to horizontally rotate the pitch adjusting frame about the stud with respect to the horizontal adjusting plate.
11. A fixing device comprising the angle adjusting device of any one of claims 1 to 9, and
and the screw cap is matched with the stud so as to prevent the pitching adjusting frame from rotating further relative to the horizontal adjusting plate.
12. The fixture of claim 11, wherein the plurality of fastening elements are configured to be fastened to the frame,
the pitching adjusting frame is further provided with a clearance hole, the horizontal adjusting plate comprises a clearance fixing column and a fixed matching piece, and the clearance fixing column is matched with the fixed matching piece so as to prevent the pitching adjusting frame from further rotating relative to the horizontal adjusting plate.
13. The fixation device of claim 11, further comprising a locking member;
locking matching pieces are respectively arranged at two ends of the rotating shaft extending out of the wall holes at two sides;
the locking piece is matched with the locking matching piece so as to prevent the piece to be adjusted from further rotating relative to the pitching adjusting frame.
14. A projection system comprising an angle adjustment device as claimed in claims 1 to 10.
15. A projection system comprising a fixture as claimed in any one of claims 11 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657740.9A CN116413981A (en) | 2021-12-30 | 2021-12-30 | Angle adjusting device, fixing device and projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657740.9A CN116413981A (en) | 2021-12-30 | 2021-12-30 | Angle adjusting device, fixing device and projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116413981A true CN116413981A (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111657740.9A Pending CN116413981A (en) | 2021-12-30 | 2021-12-30 | Angle adjusting device, fixing device and projection system |
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| Country | Link |
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| CN (1) | CN116413981A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116841136A (en) * | 2023-08-31 | 2023-10-03 | 光科芯图(北京)科技有限公司 | Five adjusting device and exposure system |
-
2021
- 2021-12-30 CN CN202111657740.9A patent/CN116413981A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116841136A (en) * | 2023-08-31 | 2023-10-03 | 光科芯图(北京)科技有限公司 | Five adjusting device and exposure system |
| CN116841136B (en) * | 2023-08-31 | 2023-11-24 | 光科芯图(北京)科技有限公司 | Five adjusting device and exposure system |
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